Home / 85,661.04-118,210.36-46,898.79

Finding the Fourth Proportional to 85,661.04, 118,210.36 and 46,898.79

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Solution

The fourth proportional to 85,661.04, 118,210.36 and 46,898.79 is: 64,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,661.04 : 118,210.36 = 46,898.79 : x
  2. Step 2: Convert to fraction form
    85,661.04/118,210.36 = 46,898.79/x
  3. Step 3: Cross multiply
    85,661.04x = 118,210.36 × 46,898.79
  4. Step 4: Simplify right side
    85,661.04x = 5,543,922,849.46
  5. Step 5: Solve for x
    x = 5,543,922,849.46/85,661.04
  6. Step 6: Final answer
    x = 64,719.30

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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.