Home / 124,701.60-172,045.52-70,973.16

Finding the Fourth Proportional to 124,701.60, 172,045.52 and 70,973.16

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Solution

The fourth proportional to 124,701.60, 172,045.52 and 70,973.16 is: 97,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.60 : 172,045.52 = 70,973.16 : x
  2. Step 2: Convert to fraction form
    124,701.60/172,045.52 = 70,973.16/x
  3. Step 3: Cross multiply
    124,701.60x = 172,045.52 × 70,973.16
  4. Step 4: Simplify right side
    124,701.60x = 12,210,614,218.24
  5. Step 5: Solve for x
    x = 12,210,614,218.24/124,701.60
  6. Step 6: Final answer
    x = 97,918.67

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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.