Home / 105,752.04-145,941.90-58,007.40

Finding the Fourth Proportional to 105,752.04, 145,941.90 and 58,007.40

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Solution

The fourth proportional to 105,752.04, 145,941.90 and 58,007.40 is: 80,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,752.04 : 145,941.90 = 58,007.40 : x
  2. Step 2: Convert to fraction form
    105,752.04/145,941.90 = 58,007.40/x
  3. Step 3: Cross multiply
    105,752.04x = 145,941.90 × 58,007.40
  4. Step 4: Simplify right side
    105,752.04x = 8,465,710,170.06
  5. Step 5: Solve for x
    x = 8,465,710,170.06/105,752.04
  6. Step 6: Final answer
    x = 80,052.45

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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.