Home / 93,030.39-128,378.04-52,746.87

Finding the Fourth Proportional to 93,030.39, 128,378.04 and 52,746.87

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Solution

The fourth proportional to 93,030.39, 128,378.04 and 52,746.87 is: 72,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030.39 : 128,378.04 = 52,746.87 : x
  2. Step 2: Convert to fraction form
    93,030.39/128,378.04 = 52,746.87/x
  3. Step 3: Cross multiply
    93,030.39x = 128,378.04 × 52,746.87
  4. Step 4: Simplify right side
    93,030.39x = 6,771,539,786.73
  5. Step 5: Solve for x
    x = 6,771,539,786.73/93,030.39
  6. Step 6: Final answer
    x = 72,788.47

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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.