Home / 85,549.28-118,047.65-47,306.21

Finding the Fourth Proportional to 85,549.28, 118,047.65 and 47,306.21

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Solution

The fourth proportional to 85,549.28, 118,047.65 and 47,306.21 is: 65,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,549.28 : 118,047.65 = 47,306.21 : x
  2. Step 2: Convert to fraction form
    85,549.28/118,047.65 = 47,306.21/x
  3. Step 3: Cross multiply
    85,549.28x = 118,047.65 × 47,306.21
  4. Step 4: Simplify right side
    85,549.28x = 5,584,386,094.14
  5. Step 5: Solve for x
    x = 5,584,386,094.14/85,549.28
  6. Step 6: Final answer
    x = 65,276.84

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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.