Home / 84,841.02-117,077.40-47,117.70

Finding the Fourth Proportional to 84,841.02, 117,077.40 and 47,117.70

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Solution

The fourth proportional to 84,841.02, 117,077.40 and 47,117.70 is: 65,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.02 : 117,077.40 = 47,117.70 : x
  2. Step 2: Convert to fraction form
    84,841.02/117,077.40 = 47,117.70/x
  3. Step 3: Cross multiply
    84,841.02x = 117,077.40 × 47,117.70
  4. Step 4: Simplify right side
    84,841.02x = 5,516,417,809.98
  5. Step 5: Solve for x
    x = 5,516,417,809.98/84,841.02
  6. Step 6: Final answer
    x = 65,020.64

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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.