Home / 86,980.56-130,521.06-46,999.68

Finding the Fourth Proportional to 86,980.56, 130,521.06 and 46,999.68

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Solution

The fourth proportional to 86,980.56, 130,521.06 and 46,999.68 is: 70,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,980.56 : 130,521.06 = 46,999.68 : x
  2. Step 2: Convert to fraction form
    86,980.56/130,521.06 = 46,999.68/x
  3. Step 3: Cross multiply
    86,980.56x = 130,521.06 × 46,999.68
  4. Step 4: Simplify right side
    86,980.56x = 6,134,448,053.26
  5. Step 5: Solve for x
    x = 6,134,448,053.26/86,980.56
  6. Step 6: Final answer
    x = 70,526.66

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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.