Home / 79,237.32-109,346.58-42,938.04

Finding the Fourth Proportional to 79,237.32, 109,346.58 and 42,938.04

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Solution

The fourth proportional to 79,237.32, 109,346.58 and 42,938.04 is: 59,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,237.32 : 109,346.58 = 42,938.04 : x
  2. Step 2: Convert to fraction form
    79,237.32/109,346.58 = 42,938.04/x
  3. Step 3: Cross multiply
    79,237.32x = 109,346.58 × 42,938.04
  4. Step 4: Simplify right side
    79,237.32x = 4,695,127,825.90
  5. Step 5: Solve for x
    x = 4,695,127,825.90/79,237.32
  6. Step 6: Final answer
    x = 59,254.00

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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.