Home / 99,547.99-137,376.41-59,263.15

Finding the Fourth Proportional to 99,547.99, 137,376.41 and 59,263.15

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Solution

The fourth proportional to 99,547.99, 137,376.41 and 59,263.15 is: 81,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547.99 : 137,376.41 = 59,263.15 : x
  2. Step 2: Convert to fraction form
    99,547.99/137,376.41 = 59,263.15/x
  3. Step 3: Cross multiply
    99,547.99x = 137,376.41 × 59,263.15
  4. Step 4: Simplify right side
    99,547.99x = 8,141,358,792.29
  5. Step 5: Solve for x
    x = 8,141,358,792.29/99,547.99
  6. Step 6: Final answer
    x = 81,783.26

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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.