Home / 105,333.77-145,360.60-57,587.11

Finding the Fourth Proportional to 105,333.77, 145,360.60 and 57,587.11

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Solution

The fourth proportional to 105,333.77, 145,360.60 and 57,587.11 is: 79,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,333.77 : 145,360.60 = 57,587.11 : x
  2. Step 2: Convert to fraction form
    105,333.77/145,360.60 = 57,587.11/x
  3. Step 3: Cross multiply
    105,333.77x = 145,360.60 × 57,587.11
  4. Step 4: Simplify right side
    105,333.77x = 8,370,896,354.50
  5. Step 5: Solve for x
    x = 8,370,896,354.50/105,333.77
  6. Step 6: Final answer
    x = 79,470.20

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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.