Home / 70,454.04-105,134.55-62,976.12

Finding the Fourth Proportional to 70,454.04, 105,134.55 and 62,976.12

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Solution

The fourth proportional to 70,454.04, 105,134.55 and 62,976.12 is: 93,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.04 : 105,134.55 = 62,976.12 : x
  2. Step 2: Convert to fraction form
    70,454.04/105,134.55 = 62,976.12/x
  3. Step 3: Cross multiply
    70,454.04x = 105,134.55 × 62,976.12
  4. Step 4: Simplify right side
    70,454.04x = 6,620,966,036.95
  5. Step 5: Solve for x
    x = 6,620,966,036.95/70,454.04
  6. Step 6: Final answer
    x = 93,975.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.