Home / 107,127.40-147,837.06-59,381.32

Finding the Fourth Proportional to 107,127.40, 147,837.06 and 59,381.32

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Solution

The fourth proportional to 107,127.40, 147,837.06 and 59,381.32 is: 81,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,127.40 : 147,837.06 = 59,381.32 : x
  2. Step 2: Convert to fraction form
    107,127.40/147,837.06 = 59,381.32/x
  3. Step 3: Cross multiply
    107,127.40x = 147,837.06 × 59,381.32
  4. Step 4: Simplify right side
    107,127.40x = 8,778,759,767.72
  5. Step 5: Solve for x
    x = 8,778,759,767.72/107,127.40
  6. Step 6: Final answer
    x = 81,946.91

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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.