Home / 93,160.13-139,762.36-30,830.63

Finding the Fourth Proportional to 93,160.13, 139,762.36 and 30,830.63

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Solution

The fourth proportional to 93,160.13, 139,762.36 and 30,830.63 is: 46,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.13 : 139,762.36 = 30,830.63 : x
  2. Step 2: Convert to fraction form
    93,160.13/139,762.36 = 30,830.63/x
  3. Step 3: Cross multiply
    93,160.13x = 139,762.36 × 30,830.63
  4. Step 4: Simplify right side
    93,160.13x = 4,308,960,948.81
  5. Step 5: Solve for x
    x = 4,308,960,948.81/93,160.13
  6. Step 6: Final answer
    x = 46,253.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.