Home / 93,318.36-128,779.50-50,876.76

Finding the Fourth Proportional to 93,318.36, 128,779.50 and 50,876.76

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Solution

The fourth proportional to 93,318.36, 128,779.50 and 50,876.76 is: 70,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,318.36 : 128,779.50 = 50,876.76 : x
  2. Step 2: Convert to fraction form
    93,318.36/128,779.50 = 50,876.76/x
  3. Step 3: Cross multiply
    93,318.36x = 128,779.50 × 50,876.76
  4. Step 4: Simplify right side
    93,318.36x = 6,551,883,714.42
  5. Step 5: Solve for x
    x = 6,551,883,714.42/93,318.36
  6. Step 6: Final answer
    x = 70,210.02

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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.