Home / 106,718.36-147,280.07-58,972.50

Finding the Fourth Proportional to 106,718.36, 147,280.07 and 58,972.50

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Solution

The fourth proportional to 106,718.36, 147,280.07 and 58,972.50 is: 81,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,718.36 : 147,280.07 = 58,972.50 : x
  2. Step 2: Convert to fraction form
    106,718.36/147,280.07 = 58,972.50/x
  3. Step 3: Cross multiply
    106,718.36x = 147,280.07 × 58,972.50
  4. Step 4: Simplify right side
    106,718.36x = 8,685,474,075.51
  5. Step 5: Solve for x
    x = 8,685,474,075.51/106,718.36
  6. Step 6: Final answer
    x = 81,386.88

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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.