Home / 64,200.14-88,559.06-38,689.10

Finding the Fourth Proportional to 64,200.14, 88,559.06 and 38,689.10

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Solution

The fourth proportional to 64,200.14, 88,559.06 and 38,689.10 is: 53,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,200.14 : 88,559.06 = 38,689.10 : x
  2. Step 2: Convert to fraction form
    64,200.14/88,559.06 = 38,689.10/x
  3. Step 3: Cross multiply
    64,200.14x = 88,559.06 × 38,689.10
  4. Step 4: Simplify right side
    64,200.14x = 3,426,270,328.25
  5. Step 5: Solve for x
    x = 3,426,270,328.25/64,200.14
  6. Step 6: Final answer
    x = 53,368.58

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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.