Home / 105,554.03-145,661.70-60,231.18

Finding the Fourth Proportional to 105,554.03, 145,661.70 and 60,231.18

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Solution

The fourth proportional to 105,554.03, 145,661.70 and 60,231.18 is: 83,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,554.03 : 145,661.70 = 60,231.18 : x
  2. Step 2: Convert to fraction form
    105,554.03/145,661.70 = 60,231.18/x
  3. Step 3: Cross multiply
    105,554.03x = 145,661.70 × 60,231.18
  4. Step 4: Simplify right side
    105,554.03x = 8,773,376,071.81
  5. Step 5: Solve for x
    x = 8,773,376,071.81/105,554.03
  6. Step 6: Final answer
    x = 83,117.40

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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.