Home / 76,355.03-105,366.38-42,363.16

Finding the Fourth Proportional to 76,355.03, 105,366.38 and 42,363.16

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Solution

The fourth proportional to 76,355.03, 105,366.38 and 42,363.16 is: 58,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355.03 : 105,366.38 = 42,363.16 : x
  2. Step 2: Convert to fraction form
    76,355.03/105,366.38 = 42,363.16/x
  3. Step 3: Cross multiply
    76,355.03x = 105,366.38 × 42,363.16
  4. Step 4: Simplify right side
    76,355.03x = 4,463,652,339.33
  5. Step 5: Solve for x
    x = 4,463,652,339.33/76,355.03
  6. Step 6: Final answer
    x = 58,459.18

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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.