Home / 106,840.16-147,426.48-59,087

Finding the Fourth Proportional to 106,840.16, 147,426.48 and 59,087

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Solution

The fourth proportional to 106,840.16, 147,426.48 and 59,087 is: 81,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,840.16 : 147,426.48 = 59,087 : x
  2. Step 2: Convert to fraction form
    106,840.16/147,426.48 = 59,087/x
  3. Step 3: Cross multiply
    106,840.16x = 147,426.48 × 59,087
  4. Step 4: Simplify right side
    106,840.16x = 8,710,988,423.76
  5. Step 5: Solve for x
    x = 8,710,988,423.76/106,840.16
  6. Step 6: Final answer
    x = 81,532.90

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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.