Home / 93,779.16-129,417.52-51,337.56

Finding the Fourth Proportional to 93,779.16, 129,417.52 and 51,337.56

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Solution

The fourth proportional to 93,779.16, 129,417.52 and 51,337.56 is: 70,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,779.16 : 129,417.52 = 51,337.56 : x
  2. Step 2: Convert to fraction form
    93,779.16/129,417.52 = 51,337.56/x
  3. Step 3: Cross multiply
    93,779.16x = 129,417.52 × 51,337.56
  4. Step 4: Simplify right side
    93,779.16x = 6,643,979,698.05
  5. Step 5: Solve for x
    x = 6,643,979,698.05/93,779.16
  6. Step 6: Final answer
    x = 70,847.08

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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.