Home / 70,407.07-97,158.04-40,191.19

Finding the Fourth Proportional to 70,407.07, 97,158.04 and 40,191.19

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Solution

The fourth proportional to 70,407.07, 97,158.04 and 40,191.19 is: 55,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,407.07 : 97,158.04 = 40,191.19 : x
  2. Step 2: Convert to fraction form
    70,407.07/97,158.04 = 40,191.19/x
  3. Step 3: Cross multiply
    70,407.07x = 97,158.04 × 40,191.19
  4. Step 4: Simplify right side
    70,407.07x = 3,904,897,417.35
  5. Step 5: Solve for x
    x = 3,904,897,417.35/70,407.07
  6. Step 6: Final answer
    x = 55,461.72

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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.