Home / 103,340.23-142,598.50-58,023.16

Finding the Fourth Proportional to 103,340.23, 142,598.50 and 58,023.16

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Solution

The fourth proportional to 103,340.23, 142,598.50 and 58,023.16 is: 80,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340.23 : 142,598.50 = 58,023.16 : x
  2. Step 2: Convert to fraction form
    103,340.23/142,598.50 = 58,023.16/x
  3. Step 3: Cross multiply
    103,340.23x = 142,598.50 × 58,023.16
  4. Step 4: Simplify right side
    103,340.23x = 8,274,015,581.26
  5. Step 5: Solve for x
    x = 8,274,015,581.26/103,340.23
  6. Step 6: Final answer
    x = 80,065.77

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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.