Home / 62,068.16-93,116.80-20,515.12

Finding the Fourth Proportional to 62,068.16, 93,116.80 and 20,515.12

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Solution

The fourth proportional to 62,068.16, 93,116.80 and 20,515.12 is: 30,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,068.16 : 93,116.80 = 20,515.12 : x
  2. Step 2: Convert to fraction form
    62,068.16/93,116.80 = 20,515.12/x
  3. Step 3: Cross multiply
    62,068.16x = 93,116.80 × 20,515.12
  4. Step 4: Simplify right side
    62,068.16x = 1,910,302,326.02
  5. Step 5: Solve for x
    x = 1,910,302,326.02/62,068.16
  6. Step 6: Final answer
    x = 30,777.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.