Home / 69,666.64-96,145.95-39,457.29

Finding the Fourth Proportional to 69,666.64, 96,145.95 and 39,457.29

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Solution

The fourth proportional to 69,666.64, 96,145.95 and 39,457.29 is: 54,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,666.64 : 96,145.95 = 39,457.29 : x
  2. Step 2: Convert to fraction form
    69,666.64/96,145.95 = 39,457.29/x
  3. Step 3: Cross multiply
    69,666.64x = 96,145.95 × 39,457.29
  4. Step 4: Simplify right side
    69,666.64x = 3,793,658,631.48
  5. Step 5: Solve for x
    x = 3,793,658,631.48/69,666.64
  6. Step 6: Final answer
    x = 54,454.45

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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.