Home / 105,492.60-145,555.32-62,450.46

Finding the Fourth Proportional to 105,492.60, 145,555.32 and 62,450.46

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Solution

The fourth proportional to 105,492.60, 145,555.32 and 62,450.46 is: 86,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,492.60 : 145,555.32 = 62,450.46 : x
  2. Step 2: Convert to fraction form
    105,492.60/145,555.32 = 62,450.46/x
  3. Step 3: Cross multiply
    105,492.60x = 145,555.32 × 62,450.46
  4. Step 4: Simplify right side
    105,492.60x = 9,089,996,689.45
  5. Step 5: Solve for x
    x = 9,089,996,689.45/105,492.60
  6. Step 6: Final answer
    x = 86,167.15

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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.