Home / 85,095.48-127,722.02-43,005.18

Finding the Fourth Proportional to 85,095.48, 127,722.02 and 43,005.18

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Solution

The fourth proportional to 85,095.48, 127,722.02 and 43,005.18 is: 64,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.48 : 127,722.02 = 43,005.18 : x
  2. Step 2: Convert to fraction form
    85,095.48/127,722.02 = 43,005.18/x
  3. Step 3: Cross multiply
    85,095.48x = 127,722.02 × 43,005.18
  4. Step 4: Simplify right side
    85,095.48x = 5,492,708,460.06
  5. Step 5: Solve for x
    x = 5,492,708,460.06/85,095.48
  6. Step 6: Final answer
    x = 64,547.59

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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.