Home / 124,999.12-172,521.20-70,567.84

Finding the Fourth Proportional to 124,999.12, 172,521.20 and 70,567.84

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Solution

The fourth proportional to 124,999.12, 172,521.20 and 70,567.84 is: 97,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,999.12 : 172,521.20 = 70,567.84 : x
  2. Step 2: Convert to fraction form
    124,999.12/172,521.20 = 70,567.84/x
  3. Step 3: Cross multiply
    124,999.12x = 172,521.20 × 70,567.84
  4. Step 4: Simplify right side
    124,999.12x = 12,174,447,222.76
  5. Step 5: Solve for x
    x = 12,174,447,222.76/124,999.12
  6. Step 6: Final answer
    x = 97,396.27

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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.