Home / 78,444.76-117,673.20-47,068.60

Finding the Fourth Proportional to 78,444.76, 117,673.20 and 47,068.60

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Solution

The fourth proportional to 78,444.76, 117,673.20 and 47,068.60 is: 70,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,444.76 : 117,673.20 = 47,068.60 : x
  2. Step 2: Convert to fraction form
    78,444.76/117,673.20 = 47,068.60/x
  3. Step 3: Cross multiply
    78,444.76x = 117,673.20 × 47,068.60
  4. Step 4: Simplify right side
    78,444.76x = 5,538,712,781.52
  5. Step 5: Solve for x
    x = 5,538,712,781.52/78,444.76
  6. Step 6: Final answer
    x = 70,606.54

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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.