Home / 124,521.72-171,837.99-70,805.58

Finding the Fourth Proportional to 124,521.72, 171,837.99 and 70,805.58

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Solution

The fourth proportional to 124,521.72, 171,837.99 and 70,805.58 is: 97,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.72 : 171,837.99 = 70,805.58 : x
  2. Step 2: Convert to fraction form
    124,521.72/171,837.99 = 70,805.58/x
  3. Step 3: Cross multiply
    124,521.72x = 171,837.99 × 70,805.58
  4. Step 4: Simplify right side
    124,521.72x = 12,167,088,547.98
  5. Step 5: Solve for x
    x = 12,167,088,547.98/124,521.72
  6. Step 6: Final answer
    x = 97,710.57

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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.