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Finding the Fourth Proportional to 70,070.13, 96,802.20 and 45,928.44

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Solution

The fourth proportional to 70,070.13, 96,802.20 and 45,928.44 is: 63,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.13 : 96,802.20 = 45,928.44 : x
  2. Step 2: Convert to fraction form
    70,070.13/96,802.20 = 45,928.44/x
  3. Step 3: Cross multiply
    70,070.13x = 96,802.20 × 45,928.44
  4. Step 4: Simplify right side
    70,070.13x = 4,445,974,034.57
  5. Step 5: Solve for x
    x = 4,445,974,034.57/70,070.13
  6. Step 6: Final answer
    x = 63,450.35

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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.