Home / 71,746.08-99,010.08-39,916.32

Finding the Fourth Proportional to 71,746.08, 99,010.08 and 39,916.32

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Solution

The fourth proportional to 71,746.08, 99,010.08 and 39,916.32 is: 55,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,746.08 : 99,010.08 = 39,916.32 : x
  2. Step 2: Convert to fraction form
    71,746.08/99,010.08 = 39,916.32/x
  3. Step 3: Cross multiply
    71,746.08x = 99,010.08 × 39,916.32
  4. Step 4: Simplify right side
    71,746.08x = 3,952,118,036.51
  5. Step 5: Solve for x
    x = 3,952,118,036.51/71,746.08
  6. Step 6: Final answer
    x = 55,084.79

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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.