Home / 70,341.20-97,217.16-56,344.40

Finding the Fourth Proportional to 70,341.20, 97,217.16 and 56,344.40

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Solution

The fourth proportional to 70,341.20, 97,217.16 and 56,344.40 is: 77,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.20 : 97,217.16 = 56,344.40 : x
  2. Step 2: Convert to fraction form
    70,341.20/97,217.16 = 56,344.40/x
  3. Step 3: Cross multiply
    70,341.20x = 97,217.16 × 56,344.40
  4. Step 4: Simplify right side
    70,341.20x = 5,477,642,549.90
  5. Step 5: Solve for x
    x = 5,477,642,549.90/70,341.20
  6. Step 6: Final answer
    x = 77,872.46

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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.