Home / 101,962.02-140,730.10-56,655.58

Finding the Fourth Proportional to 101,962.02, 140,730.10 and 56,655.58

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Solution

The fourth proportional to 101,962.02, 140,730.10 and 56,655.58 is: 78,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,962.02 : 140,730.10 = 56,655.58 : x
  2. Step 2: Convert to fraction form
    101,962.02/140,730.10 = 56,655.58/x
  3. Step 3: Cross multiply
    101,962.02x = 140,730.10 × 56,655.58
  4. Step 4: Simplify right side
    101,962.02x = 7,973,145,438.96
  5. Step 5: Solve for x
    x = 7,973,145,438.96/101,962.02
  6. Step 6: Final answer
    x = 78,197.21

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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.