Home / 98,869.03-136,439.67-53,547.55

Finding the Fourth Proportional to 98,869.03, 136,439.67 and 53,547.55

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Solution

The fourth proportional to 98,869.03, 136,439.67 and 53,547.55 is: 73,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.03 : 136,439.67 = 53,547.55 : x
  2. Step 2: Convert to fraction form
    98,869.03/136,439.67 = 53,547.55/x
  3. Step 3: Cross multiply
    98,869.03x = 136,439.67 × 53,547.55
  4. Step 4: Simplify right side
    98,869.03x = 7,306,010,051.31
  5. Step 5: Solve for x
    x = 7,306,010,051.31/98,869.03
  6. Step 6: Final answer
    x = 73,895.84

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1.5x scale

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.