Home / 85,010.02-117,313.51-47,284.27

Finding the Fourth Proportional to 85,010.02, 117,313.51 and 47,284.27

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Solution

The fourth proportional to 85,010.02, 117,313.51 and 47,284.27 is: 65,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,010.02 : 117,313.51 = 47,284.27 : x
  2. Step 2: Convert to fraction form
    85,010.02/117,313.51 = 47,284.27/x
  3. Step 3: Cross multiply
    85,010.02x = 117,313.51 × 47,284.27
  4. Step 4: Simplify right side
    85,010.02x = 5,547,083,681.49
  5. Step 5: Solve for x
    x = 5,547,083,681.49/85,010.02
  6. Step 6: Final answer
    x = 65,252.12

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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.