Home / 86,068.14-118,785.15-48,342.39

Finding the Fourth Proportional to 86,068.14, 118,785.15 and 48,342.39

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Solution

The fourth proportional to 86,068.14, 118,785.15 and 48,342.39 is: 66,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068.14 : 118,785.15 = 48,342.39 : x
  2. Step 2: Convert to fraction form
    86,068.14/118,785.15 = 48,342.39/x
  3. Step 3: Cross multiply
    86,068.14x = 118,785.15 × 48,342.39
  4. Step 4: Simplify right side
    86,068.14x = 5,742,358,047.51
  5. Step 5: Solve for x
    x = 5,742,358,047.51/86,068.14
  6. Step 6: Final answer
    x = 66,718.74

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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.