Home / 70,526.18-97,326.13-40,312.15

Finding the Fourth Proportional to 70,526.18, 97,326.13 and 40,312.15

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Solution

The fourth proportional to 70,526.18, 97,326.13 and 40,312.15 is: 55,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526.18 : 97,326.13 = 40,312.15 : x
  2. Step 2: Convert to fraction form
    70,526.18/97,326.13 = 40,312.15/x
  3. Step 3: Cross multiply
    70,526.18x = 97,326.13 × 40,312.15
  4. Step 4: Simplify right side
    70,526.18x = 3,923,425,349.92
  5. Step 5: Solve for x
    x = 3,923,425,349.92/70,526.18
  6. Step 6: Final answer
    x = 55,630.77

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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.