Home / 86,686.02-130,033.53-27,526.32

Finding the Fourth Proportional to 86,686.02, 130,033.53 and 27,526.32

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Solution

The fourth proportional to 86,686.02, 130,033.53 and 27,526.32 is: 41,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,686.02 : 130,033.53 = 27,526.32 : x
  2. Step 2: Convert to fraction form
    86,686.02/130,033.53 = 27,526.32/x
  3. Step 3: Cross multiply
    86,686.02x = 130,033.53 × 27,526.32
  4. Step 4: Simplify right side
    86,686.02x = 3,579,344,557.51
  5. Step 5: Solve for x
    x = 3,579,344,557.51/86,686.02
  6. Step 6: Final answer
    x = 41,290.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.