Home / 98,983.96-136,547.74-62,624.40

Finding the Fourth Proportional to 98,983.96, 136,547.74 and 62,624.40

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Solution

The fourth proportional to 98,983.96, 136,547.74 and 62,624.40 is: 86,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,983.96 : 136,547.74 = 62,624.40 : x
  2. Step 2: Convert to fraction form
    98,983.96/136,547.74 = 62,624.40/x
  3. Step 3: Cross multiply
    98,983.96x = 136,547.74 × 62,624.40
  4. Step 4: Simplify right side
    98,983.96x = 8,551,220,550.99
  5. Step 5: Solve for x
    x = 8,551,220,550.99/98,983.96
  6. Step 6: Final answer
    x = 86,389.96

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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.