Home / 101,549.05-140,142.86-56,232.04

Finding the Fourth Proportional to 101,549.05, 140,142.86 and 56,232.04

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Solution

The fourth proportional to 101,549.05, 140,142.86 and 56,232.04 is: 77,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.05 : 140,142.86 = 56,232.04 : x
  2. Step 2: Convert to fraction form
    101,549.05/140,142.86 = 56,232.04/x
  3. Step 3: Cross multiply
    101,549.05x = 140,142.86 × 56,232.04
  4. Step 4: Simplify right side
    101,549.05x = 7,880,518,909.23
  5. Step 5: Solve for x
    x = 7,880,518,909.23/101,549.05
  6. Step 6: Final answer
    x = 77,603.08

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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.