Home / 71,655.07-98,888.08-39,825.98

Finding the Fourth Proportional to 71,655.07, 98,888.08 and 39,825.98

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Solution

The fourth proportional to 71,655.07, 98,888.08 and 39,825.98 is: 54,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,655.07 : 98,888.08 = 39,825.98 : x
  2. Step 2: Convert to fraction form
    71,655.07/98,888.08 = 39,825.98/x
  3. Step 3: Cross multiply
    71,655.07x = 98,888.08 × 39,825.98
  4. Step 4: Simplify right side
    71,655.07x = 3,938,314,696.32
  5. Step 5: Solve for x
    x = 3,938,314,696.32/71,655.07
  6. Step 6: Final answer
    x = 54,962.13

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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.