Home / 106,864.81-147,477.78-59,117.33

Finding the Fourth Proportional to 106,864.81, 147,477.78 and 59,117.33

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Solution

The fourth proportional to 106,864.81, 147,477.78 and 59,117.33 is: 81,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,864.81 : 147,477.78 = 59,117.33 : x
  2. Step 2: Convert to fraction form
    106,864.81/147,477.78 = 59,117.33/x
  3. Step 3: Cross multiply
    106,864.81x = 147,477.78 × 59,117.33
  4. Step 4: Simplify right side
    106,864.81x = 8,718,492,587.93
  5. Step 5: Solve for x
    x = 8,718,492,587.93/106,864.81
  6. Step 6: Final answer
    x = 81,584.32

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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.