Home / 85,140.16-117,492.36-46,898.92

Finding the Fourth Proportional to 85,140.16, 117,492.36 and 46,898.92

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Solution

The fourth proportional to 85,140.16, 117,492.36 and 46,898.92 is: 64,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,140.16 : 117,492.36 = 46,898.92 : x
  2. Step 2: Convert to fraction form
    85,140.16/117,492.36 = 46,898.92/x
  3. Step 3: Cross multiply
    85,140.16x = 117,492.36 × 46,898.92
  4. Step 4: Simplify right side
    85,140.16x = 5,510,264,792.25
  5. Step 5: Solve for x
    x = 5,510,264,792.25/85,140.16
  6. Step 6: Final answer
    x = 64,719.93

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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.