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Finding the Fourth Proportional to 93,779.54, 129,417.30 and 52,945.82

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Solution

The fourth proportional to 93,779.54, 129,417.30 and 52,945.82 is: 73,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,779.54 : 129,417.30 = 52,945.82 : x
  2. Step 2: Convert to fraction form
    93,779.54/129,417.30 = 52,945.82/x
  3. Step 3: Cross multiply
    93,779.54x = 129,417.30 × 52,945.82
  4. Step 4: Simplify right side
    93,779.54x = 6,852,105,070.69
  5. Step 5: Solve for x
    x = 6,852,105,070.69/93,779.54
  6. Step 6: Final answer
    x = 73,066.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.