Home / 124,089.16-171,204.40-70,369.96

Finding the Fourth Proportional to 124,089.16, 171,204.40 and 70,369.96

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Solution

The fourth proportional to 124,089.16, 171,204.40 and 70,369.96 is: 97,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,089.16 : 171,204.40 = 70,369.96 : x
  2. Step 2: Convert to fraction form
    124,089.16/171,204.40 = 70,369.96/x
  3. Step 3: Cross multiply
    124,089.16x = 171,204.40 × 70,369.96
  4. Step 4: Simplify right side
    124,089.16x = 12,047,646,779.82
  5. Step 5: Solve for x
    x = 12,047,646,779.82/124,089.16
  6. Step 6: Final answer
    x = 97,088.63

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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.