Home / 98,870.53-136,441.74-53,549.05

Finding the Fourth Proportional to 98,870.53, 136,441.74 and 53,549.05

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Solution

The fourth proportional to 98,870.53, 136,441.74 and 53,549.05 is: 73,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870.53 : 136,441.74 = 53,549.05 : x
  2. Step 2: Convert to fraction form
    98,870.53/136,441.74 = 53,549.05/x
  3. Step 3: Cross multiply
    98,870.53x = 136,441.74 × 53,549.05
  4. Step 4: Simplify right side
    98,870.53x = 7,306,325,557.35
  5. Step 5: Solve for x
    x = 7,306,325,557.35/98,870.53
  6. Step 6: Final answer
    x = 73,897.91

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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.