Home / 86,254.02-119,030.55-48,012.75

Finding the Fourth Proportional to 86,254.02, 119,030.55 and 48,012.75

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Solution

The fourth proportional to 86,254.02, 119,030.55 and 48,012.75 is: 66,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,254.02 : 119,030.55 = 48,012.75 : x
  2. Step 2: Convert to fraction form
    86,254.02/119,030.55 = 48,012.75/x
  3. Step 3: Cross multiply
    86,254.02x = 119,030.55 × 48,012.75
  4. Step 4: Simplify right side
    86,254.02x = 5,714,984,039.51
  5. Step 5: Solve for x
    x = 5,714,984,039.51/86,254.02
  6. Step 6: Final answer
    x = 66,257.60

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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.