Home / 85,533.17-118,031.02-47,290.49

Finding the Fourth Proportional to 85,533.17, 118,031.02 and 47,290.49

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Solution

The fourth proportional to 85,533.17, 118,031.02 and 47,290.49 is: 65,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.17 : 118,031.02 = 47,290.49 : x
  2. Step 2: Convert to fraction form
    85,533.17/118,031.02 = 47,290.49/x
  3. Step 3: Cross multiply
    85,533.17x = 118,031.02 × 47,290.49
  4. Step 4: Simplify right side
    85,533.17x = 5,581,744,534.55
  5. Step 5: Solve for x
    x = 5,581,744,534.55/85,533.17
  6. Step 6: Final answer
    x = 65,258.25

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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.