Home / 105,774.64-145,981.94-60,442.22

Finding the Fourth Proportional to 105,774.64, 145,981.94 and 60,442.22

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Solution

The fourth proportional to 105,774.64, 145,981.94 and 60,442.22 is: 83,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.64 : 145,981.94 = 60,442.22 : x
  2. Step 2: Convert to fraction form
    105,774.64/145,981.94 = 60,442.22/x
  3. Step 3: Cross multiply
    105,774.64x = 145,981.94 × 60,442.22
  4. Step 4: Simplify right side
    105,774.64x = 8,823,472,596.25
  5. Step 5: Solve for x
    x = 8,823,472,596.25/105,774.64
  6. Step 6: Final answer
    x = 83,417.66

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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.