Home / 105,324.04-145,347.04-56,925.91

Finding the Fourth Proportional to 105,324.04, 145,347.04 and 56,925.91

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Solution

The fourth proportional to 105,324.04, 145,347.04 and 56,925.91 is: 78,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,324.04 : 145,347.04 = 56,925.91 : x
  2. Step 2: Convert to fraction form
    105,324.04/145,347.04 = 56,925.91/x
  3. Step 3: Cross multiply
    105,324.04x = 145,347.04 × 56,925.91
  4. Step 4: Simplify right side
    105,324.04x = 8,274,012,517.81
  5. Step 5: Solve for x
    x = 8,274,012,517.81/105,324.04
  6. Step 6: Final answer
    x = 78,557.68

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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.