Home / 105,748.75-145,946.24-61,036.75

Finding the Fourth Proportional to 105,748.75, 145,946.24 and 61,036.75

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Solution

The fourth proportional to 105,748.75, 145,946.24 and 61,036.75 is: 84,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,748.75 : 145,946.24 = 61,036.75 : x
  2. Step 2: Convert to fraction form
    105,748.75/145,946.24 = 61,036.75/x
  3. Step 3: Cross multiply
    105,748.75x = 145,946.24 × 61,036.75
  4. Step 4: Simplify right side
    105,748.75x = 8,908,084,164.32
  5. Step 5: Solve for x
    x = 8,908,084,164.32/105,748.75
  6. Step 6: Final answer
    x = 84,238.20

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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.