Home / 76,246.77-105,210.57-42,253.62

Finding the Fourth Proportional to 76,246.77, 105,210.57 and 42,253.62

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Solution

The fourth proportional to 76,246.77, 105,210.57 and 42,253.62 is: 58,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.77 : 105,210.57 = 42,253.62 : x
  2. Step 2: Convert to fraction form
    76,246.77/105,210.57 = 42,253.62/x
  3. Step 3: Cross multiply
    76,246.77x = 105,210.57 × 42,253.62
  4. Step 4: Simplify right side
    76,246.77x = 4,445,527,444.76
  5. Step 5: Solve for x
    x = 4,445,527,444.76/76,246.77
  6. Step 6: Final answer
    x = 58,304.47

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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.