Home / 70,614.39-97,407.18-42,303.68

Finding the Fourth Proportional to 70,614.39, 97,407.18 and 42,303.68

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Solution

The fourth proportional to 70,614.39, 97,407.18 and 42,303.68 is: 58,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.39 : 97,407.18 = 42,303.68 : x
  2. Step 2: Convert to fraction form
    70,614.39/97,407.18 = 42,303.68/x
  3. Step 3: Cross multiply
    70,614.39x = 97,407.18 × 42,303.68
  4. Step 4: Simplify right side
    70,614.39x = 4,120,681,685.39
  5. Step 5: Solve for x
    x = 4,120,681,685.39/70,614.39
  6. Step 6: Final answer
    x = 58,354.70

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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.