Home / 71,045.75-97,999.26-42,346.08

Finding the Fourth Proportional to 71,045.75, 97,999.26 and 42,346.08

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Solution

The fourth proportional to 71,045.75, 97,999.26 and 42,346.08 is: 58,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.75 : 97,999.26 = 42,346.08 : x
  2. Step 2: Convert to fraction form
    71,045.75/97,999.26 = 42,346.08/x
  3. Step 3: Cross multiply
    71,045.75x = 97,999.26 × 42,346.08
  4. Step 4: Simplify right side
    71,045.75x = 4,149,884,503.90
  5. Step 5: Solve for x
    x = 4,149,884,503.90/71,045.75
  6. Step 6: Final answer
    x = 58,411.44

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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.